void EngineMeter::paintEvent(QPaintEvent *)
{
if(!m_visible)
hide();
else if(isHidden())
show();
//info.info_log("r:%d\n",m_radius);
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
setAxis(&painter);
if(m_compoment & BackGround)
drawBackground(&painter);
if(m_compoment & Crown)
drawCrown(&painter,m_radius);
drawScale(&painter,m_radius);
drawScaleNum(&painter,m_radius);
drawNumericValue(&painter);
if(m_compoment & DoubleMeter)
{
drawInnerScale(&painter,m_center,m_radius-m_strech);
drawInnerScaleNum(&painter,m_center,m_radius-m_strech);
}
if(m_compoment & NumericValue)
drawNumericValue(&painter);
//draw units
if((m_compoment & Units) || (m_compoment & NumericRate))
{
if(!(m_compoment & NumericRate)) //rate is invisible
{
int haltw = int(1.7*m_radius);
QRect r(-haltw,-m_radius/2-8,haltw<<1,16);
drawContexts(&painter,QRect(r),m_units,16*m_scale,Qt::AlignCenter,QPen(Qt::darkMagenta));
}
else
{
int haltw1 = int(1.7*m_radius);
QRect r(-haltw1,-m_radius/2,haltw1<<1,16);
//QRect r(-40,15,80,20);
QString rate = QStringLiteral("¡Á") + QString("%1").arg(m_rate);
if(m_compoment & Units) //units is visible
rate += " "+m_units;
drawContexts(&painter,QRect(r),rate,16*m_scale,Qt::AlignCenter,QPen(Qt::darkMagenta));
}
}
//draw title
if(m_compoment & Title)
{
QRect rect(-width()/2,m_radius+2,width(),18);
drawContexts(&painter,rect,m_title,18*m_scale,Qt::AlignCenter,QPen(Qt::yellow));
}
drawRuntime(&painter);
drawIndicator(&painter);
}
void mySpeedWatch::paintEvent(QPaintEvent *)
{
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing); /* 使用反锯齿(如果可用) */
painter.translate(width() / 2, height() / 2); /* 坐标变换为窗体中心 */
int side = qMin(width(), height());
painter.scale(side / 200.0, side / 200.0); /* 比例缩放 */
painter.setPen(Qt::NoPen);
drawCrown(&painter); /* 画边框 */
drawBackground(&painter); /* 画背景 */
drawScaleNum(&painter); /* 画刻度值 */
drawScale(&painter); /* 画刻度线 */
drawTitle(&painter); /* 画单位 */
if(m_numericIndicatorEnabled)
drawNumericValue(&painter); /* 画数字显示 */
drawIndicator(&painter); /* 画指针 */
}
